diff options
author | Ben Skeggs <bskeggs@redhat.com> | 2016-05-25 10:56:24 +1000 |
---|---|---|
committer | Ben Skeggs <bskeggs@redhat.com> | 2016-06-02 13:53:30 +1000 |
commit | bc9139d23f6b038e32bcd2dffdee70a8d76b3976 (patch) | |
tree | 1f5a61a57f04166372a61b6837a50f9e338c1443 /drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c | |
parent | 92181d47ee74749bdf902f080dab9fa9ef44b37f (diff) |
drm/nouveau/bios/disp: fix handling of "match any protocol" entries
As it turns out, a value of 0xff means "any protocol" and not "VGA".
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c index 4226d2153b9c..fcb1b0c46d64 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c @@ -387,22 +387,17 @@ exec_clkcmp(struct nv50_disp *disp, int head, int id, u32 pclk, u32 *conf) if (!outp) return NULL; + *conf = (ctrl & 0x00000f00) >> 8; if (outp->info.location == 0) { switch (outp->info.type) { case DCB_OUTPUT_TMDS: - *conf = (ctrl & 0x00000f00) >> 8; if (*conf == 5) *conf |= 0x0100; break; case DCB_OUTPUT_LVDS: - *conf = disp->sor.lvdsconf; + *conf |= disp->sor.lvdsconf; break; - case DCB_OUTPUT_DP: - *conf = (ctrl & 0x00000f00) >> 8; - break; - case DCB_OUTPUT_ANALOG: default: - *conf = 0x00ff; break; } } else { @@ -410,7 +405,8 @@ exec_clkcmp(struct nv50_disp *disp, int head, int id, u32 pclk, u32 *conf) pclk = pclk / 2; } - data = nvbios_ocfg_match(bios, data, *conf, &ver, &hdr, &cnt, &len, &info2); + data = nvbios_ocfg_match(bios, data, *conf & 0xff, *conf >> 8, + &ver, &hdr, &cnt, &len, &info2); if (data && id < 0xff) { data = nvbios_oclk_match(bios, info2.clkcmp[id], pclk); if (data) { |